题目内容
| 递等式计算: 12×
| 1
| ||||||||||
8
| 18
|
(1)12×
×
,
=9×
,
=
;
(2)1
×
÷2
,
=
×
×
,
=
;
(3)8
-
×3
,
=8
-
,
=6
;
(4)18
×(
÷2),
=
×
,
=
.
| 3 |
| 4 |
| 4 |
| 15 |
=9×
| 4 |
| 15 |
=
| 12 |
| 5 |
(2)1
| 1 |
| 6 |
| 4 |
| 7 |
| 2 |
| 3 |
=
| 7 |
| 6 |
| 4 |
| 7 |
| 3 |
| 8 |
=
| 1 |
| 4 |
(3)8
| 2 |
| 5 |
| 1 |
| 2 |
| 1 |
| 3 |
=8
| 2 |
| 5 |
| 5 |
| 3 |
=6
| 11 |
| 15 |
(4)18
| 1 |
| 3 |
| 10 |
| 33 |
=
| 55 |
| 3 |
| 5 |
| 33 |
=
| 25 |
| 9 |
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